Depozite în Continente de Est
Asia
Russia
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
Egypt, Ethiopia, Ghana, South Africa
Europa
England, Hungary, Iceland, United Kingdom
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Alții
antarctica, Groenlanda
Groenlanda
Depozite în Continente de Vest
America de Nord
Canada, Mexico, USA
Canada, Cuba, Jamaica, USA
America de Sud
Argentina, Colombia, Ecuador
Bolivia, Brazil, Colombia, Ecuador, Paraguay
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Western Australia